Napa County Historical Amount of Rooms in a House Data
ACS 2010-2014 data
| | Napa County | California | U.S. |
| Total Housing Units | 55,003, 100% | 13,781,929 | 132,741,033 |
| 1 Room | 1,154, 2.10%, see rank | 3.13% | 1.95% |
| 2 Rooms | 2,011, 3.66%, see rank | 3.93% | 2.48% |
| 3 Rooms | 5,591, 10.16%, see rank | 12.05% | 9.13% |
| 4 Rooms | 9,283, 16.88%, see rank | 19.24% | 16.60% |
| 5 Rooms | 11,993, 21.80%, see rank | 20.56% | 20.41% |
| 6 Rooms | 10,377, 18.87%, see rank | 16.99% | 18.06% |
| 7 Rooms | 6,721, 12.22%, see rank | 11.06% | 12.27% |
| 8 Rooms | 4,130, 7.51%, see rank | 6.58% | 8.48% |
| 9 Rooms or More | 3,743, 6.81%, see rank | 6.46% | 10.60% |
| Median Rooms | 5.30, see rank | 5.10 | 5.50 |
ACS 2008-2012 data
| | Napa County | California | U.S. |
| Total Housing Units | 54,639, 100% | 13,667,226 | 131,642,457 |
| 1 Room | 1,293, 2.37%, see rank | 3.17% | 1.95% |
| 2 Rooms | 2,259, 4.13%, see rank | 3.78% | 2.36% |
| 3 Rooms | 5,249, 9.61%, see rank | 11.88% | 8.97% |
| 4 Rooms | 9,724, 17.80%, see rank | 19.04% | 16.57% |
| 5 Rooms | 11,915, 21.81%, see rank | 20.50% | 20.41% |
| 6 Rooms | 10,607, 19.41%, see rank | 17.21% | 18.25% |
| 7 Rooms | 6,204, 11.35%, see rank | 11.27% | 12.38% |
| 8 Rooms | 3,979, 7.28%, see rank | 6.78% | 8.59% |
| 9 Rooms or More | 3,409, 6.24%, see rank | 6.38% | 10.52% |
| Median Rooms | 5.20, see rank | 5.10 | 5.50 |
ACS 2006-2010 data
| | Napa County | California | U.S. |
| Total Housing Units | 54,306, 100% | 13,552,624 | 130,038,080 |
| 1 Room | 1,185, 2.18%, see rank | 2.72% | 1.59% |
| 2 Rooms | 2,528, 4.66%, see rank | 4.35% | 2.62% |
| 3 Rooms | 5,121, 9.43%, see rank | 11.89% | 9.02% |
| 4 Rooms | 9,507, 17.51%, see rank | 19.02% | 16.85% |
| 5 Rooms | 11,808, 21.74%, see rank | 20.76% | 20.93% |
| 6 Rooms | 10,432, 19.21%, see rank | 17.56% | 18.56% |
| 7 Rooms | 5,954, 10.96%, see rank | 11.35% | 12.38% |
| 8 Rooms | 4,240, 7.81%, see rank | 6.63% | 8.39% |
| 9 Rooms or More | 3,531, 6.50%, see rank | 5.73% | 9.65% |
| Median Rooms | 5.20, see rank | 5.10 | 5.50 |
ACS 2005-2009 data
| | Napa County | California | U.S. |
| Total Housing Units | 53,041, 100% | 13,268,682 | 127,699,712 |
| 1 Room | 933, 1.76%, see rank | 2.41% | 1.39% |
| 2 Rooms | 2,432, 4.59%, see rank | 4.63% | 2.78% |
| 3 Rooms | 5,136, 9.68%, see rank | 11.98% | 9.07% |
| 4 Rooms | 9,212, 17.37%, see rank | 19.05% | 17.03% |
| 5 Rooms | 11,244, 21.20%, see rank | 20.98% | 21.24% |
| 6 Rooms | 10,706, 20.18%, see rank | 17.73% | 18.70% |
| 7 Rooms | 6,222, 11.73%, see rank | 11.32% | 12.36% |
| 8 Rooms | 4,000, 7.54%, see rank | 6.53% | 8.26% |
| 9 Rooms or More | 3,156, 5.95%, see rank | 5.37% | 9.16% |
| Median Rooms | 5.30, see rank | 5.10 | 5.40 |
US Census 2000 data
| | Napa County | California | U.S. |
| Total Housing Units | 48,554, 100% | 12,214,549 | 115,904,641 |
| 1 Room | 1,234, 2.54%, see rank | 5.01% | 2.20% |
| 2 Rooms | 3,187, 6.56%, see rank | 9.38% | 4.81% |
| 3 Rooms | 4,809, 9.90%, see rank | 13.85% | 9.84% |
| 4 Rooms | 7,830, 16.13%, see rank | 15.75% | 15.97% |
| 5 Rooms | 10,306, 21.23%, see rank | 18.95% | 20.89% |
| 6 Rooms | 9,693, 19.96%, see rank | 16.50% | 18.45% |
| 7 Rooms | 6,187, 12.74%, see rank | 10.33% | 12.06% |
| 8 Rooms | 3,309, 6.82%, see rank | 5.93% | 8.06% |
| 9 Rooms or More | 1,999, 4.12%, see rank | 4.31% | 7.70% |
| Median Rooms | 5.20, see rank | 4.80 | 5.30 |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
